The presence of sulphur in pig iron makes
A. It easily machinable
B. It brittle
C. It hard
D. The casting unsound
Answer: Option D
Solution(By Examveda Team)
As sulfur in Pig Iron make the cast iron manufacturing unsound and not pure because sulfur works as a impurities in Pig iron. Iron sulphide being very brittle, whole alloy becomes brittle. Presence of sulfur tends to make iron hard and produces unsound castings.Related Questions on Engineering Materials
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